From: Markus Wichmann <nullplan@gmx.net>
To: musl@lists.openwall.com
Subject: Re: sem_wait and EINTR
Date: Sat, 15 Dec 2018 10:45:13 +0100 [thread overview]
Message-ID: <20181215094513.GB3315@voyager> (raw)
In-Reply-To: <20181214194516.GA23599@brightrain.aerifal.cx>
On Fri, Dec 14, 2018 at 02:45:16PM -0500, Rich Felker wrote:
> Perhaps help was the wrong word; I think you're right that there's
> nowhere else it matters and that all other callers already ignore
> EINTR unconditionally because they're supposed to. The only plausible
> improvement is avoiding spurious dec/inc cycle on the waiter count in
> some places. On the other hand it might be a nicer factorization (less
> ugly and linux-bug-specific logic in high level code, i.e.
> sem_timedwait) if the workaround were buried in low-level stuff
> (__timedwait).
>
> [...]
>
> I don't see how it could hurt conformance.
>
> Rich
I was misunderstanding you. I thought you were about to put the
maybe-retry on EINTR into __timedwait() and then remove the
corresponding check from all the users of __timedwait(). But apparently
you want leave the users relatively unmolested. Yeah, that sounds better
than what I pictured. Go right ahead, I say.
Ciao,
Markus
next prev parent reply other threads:[~2018-12-15 9:45 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-05 19:16 Orivej Desh
2018-12-05 19:47 ` Markus Wichmann
2018-12-05 21:27 ` Ondřej Jirman
2018-12-05 21:58 ` Rich Felker
2018-12-06 2:43 ` Orivej Desh
2018-12-06 3:17 ` Rich Felker
2018-12-06 15:57 ` Markus Wichmann
2018-12-06 16:23 ` Rich Felker
2018-12-06 17:03 ` Markus Wichmann
2018-12-06 17:33 ` Markus Wichmann
2018-12-06 20:31 ` Orivej Desh
2018-12-09 2:51 ` Rich Felker
2018-12-09 6:50 ` Markus Wichmann
2018-12-12 0:32 ` Rich Felker
2018-12-12 5:15 ` Markus Wichmann
2018-12-14 19:45 ` Rich Felker
2018-12-15 9:45 ` Markus Wichmann [this message]
2018-12-05 22:03 ` Rich Felker
2018-12-06 2:43 ` Orivej Desh
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